package com.loop.block;

public class Blocks {

    int a;

    public Blocks() {
        System.out.println("构造");
    }

    static {
        System.out.println("aaa");
    }

    public static void main(String[] args) {
        Blocks b = new Blocks();
        System.out.println(b.a);
        //Blocks b1 = new Blocks(3);
    }
}
